PHP implements a function to delete any characters in a string_php tips

The example in this article describes how to implement a function in PHP to delete any characters in a string. Share it with everyone for your reference. The details are as follows:

function delStr($start, $end, $orgenStr) 
{ 
  //读取要删除字符位置的前一部分字符串，并赋值给$temp  
  //strpos读取字符第一次出现的位置  
  //substr读取指定开始与结束位置的子字符串  
  //echo $before."—". $last;  
  $temp=$orgenStr; 
  while(strpos($temp, $start) && strpos($temp, $end)){ 
  $temp=substr($temp, 0, strpos($temp, $start)).substr($temp,strpos($temp, $end)+strlen($end));; 
  //读取要删除字符位置的后一部分字符串，然后将前后部分连接，并赋值给$temp  
  //返回最后是字符串  
  } 
  return $temp; 
} 
//应用实例  
$a="aaaa12345678bbbbtttttttttttttttttttttaaaa12345678bbbb 
kkkkkkkkkkkkaaaa12345678bbbbttttttttttttttttttttt"; 
$b="1234"; 
$c="5678"; 
echo delStr($b,$c,$a); 

The output is:

aaaabbbbtttttttttttttttttttaaaabbbbkkkkkkkkkkkkkaaaabbbbttttttttttttttttttttt

PS:

General applications have dynamic content between 1234 and 5678, which can be deleted in batches

update: Added circular deletion, which can delete all strings that meet the conditions.

I hope this article will be helpful to everyone’s PHP programming design.